diff --git a/cranelift/Cargo.toml b/cranelift/Cargo.toml
index 57193f7af9..1db64e84f5 100644
--- a/cranelift/Cargo.toml
+++ b/cranelift/Cargo.toml
@@ -29,7 +29,7 @@ docopt = "1"
 serde = "1.0.8"
 serde_derive = "1.0.8"
 term = "0.5.1"
-capstone = "0.3.1"
+capstone = "0.4"
 wabt = { version = "0.3", optional = true }
 target-lexicon = "0.0.1"
 
diff --git a/cranelift/src/compile.rs b/cranelift/src/compile.rs
index 7eea32262e..516a1be84a 100644
--- a/cranelift/src/compile.rs
+++ b/cranelift/src/compile.rs
@@ -123,7 +123,7 @@ fn handle_module(
             }
             println!();
 
-            let cs = get_disassembler(isa)?;
+            let mut cs = get_disassembler(isa)?;
 
             println!("\nDisassembly:");
             let insns = cs.disasm_all(&mem, 0x0).unwrap();